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81. | periodic blow down |
| 定期排污 |
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82. | blow through plains |
| 吹过原野 |
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83. | blow-down silencer |
| 排气管的消音器 |
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84. | emergency blow-down |
| 紧急放空 |
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85. | blow-down stack |
| 放定烟囱 |
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86. | blow-out contact |
| 灭弧接点 |
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87. | blow-off nozzle |
| 吹嘴;断火喷嘴 |
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88. | soldering blow pipe |
| 焊接用吹管 |
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89. | blow-out circuit |
| 灭弧电路 |
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90. | casing-blow condensate |
| 套管排放的凝析液 |
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